Electrocardiograph measuring device



FIG. 1 is a perspective view of an electrocardiograph measuring device;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines illustrate portions of the electrocardiograph measuringdevice that form no part of the claimed design.

CLAIM The ornamental design for an electrocardiograph measuring device,as shown and described.